The Helix Nebula as viewed by NASA's Hubble Space Telescope and the Kitt Peak National Observatory in Arizona. The Helix Nebula is described by astronomers as "a trillion-mile-long tunnel of glowing gases." At its center is dying, Sun-like star which has ejected masses of dust and gas to form tentacle-like filaments stretching toward an outer rim composed of the same material. The Sun itself may look like this in several billion years.
The photo was featured on NASA's Website as an Astronomy Picture of the Day in May.
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